Electronic delivery of nicotine: help in smoking cessation or an alternative means of addiction

All over the world currently there are billions of people who use tobacco regularly that’s why now these days the tobacco is one of the most widely used drug. Many of scientific evidences reveal that tobacco is dangerous to human health. Tobacco contains plethora of harmful chemical substances, out of which many of them are carcinogens. Smoking is responsible for 90% of all lung cancer and mouth cancer, 75% of chronic bronchitis and emphysema and 25 % of ischemic heart disease cases so tobacco is one of the leading preventable causes of deaths. In consideration of all these factors this review discusses various aspects of these electronic cigarettes like their structural components, working mechanism and their role in smoking cessation. E-cigarettes now gained a lot of popularity. This review also helps to aware health care professionals along with general population about the safety, myths, future challenges and about all pros and cons of using E-cigarettes. Keywords: Cigarettes, electronic cigarettes, e-cigarettes, nicotine, public health, smoking cessation, tobacc